/Engine/Source/Editor/UnrealEd/Public/UnrealWidget.h
Only some modes support Absolute Rotation Movement/arcball
static bool AllowsAbsoluteRotationMovement ( [UE::Widget::EWidgetMode](API\Editor\EditorFramework\UE__Widget__EWidgetMode) WidgetMode, [EAxisList::Type](API\Runtime\Core\Math\EAxisList__Type) InAxisType )